Museums of the Arroyo Day features free admission to several Pasadena and northeastern LA museums, family-friendly entertainment, tours, music and storytelling with free shuttles traveling between them from noon to 5 p.m. Sunday. Visit museumsofthearroyo.com for a list of participating venues.

SCI-FI ART

A group art exhibition features science fiction art by Tony Gleeson and works of several other artists opening with a reception from 8 to 11 p.m. Saturday at Century Books, 1039 E. Green St., Pasadena, and continuing through May 30. Call (626) 796-1703 or visit facebook.com/centurybookshop.